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LM317AT

Category: PMIC - Voltage Regulators - Linear

Description: 3-Terminal Adjustable Regulator

Price range ($)

6 Suppliers

0.19558 1.48354

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Part Number Seller's Name Stock Brand Package/Case Date Code Description Price

LM317AT

LM317AT has several brands around the world that may have alternate names for LM317AT due to regional differences or acquisition. LM317AT may also be known as the following names:

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    6

    Brand new

    6

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    6

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    6

    Description

    Part Number Product Description Summary Price Buy

    Utsource

    66794

    5.0 out of 5 stars

    1 star 0.1%
    2 star 0%
    3 star 0.2%
    4 star 0.3%
    5 star 99.3%

    Total products: 2397892

    Total sales: 12639054

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:500

    USED

    Ns/st

    18+

    3-Terminal Adjustable Regulator

    ≥1: US $1.48354 US $1.33519

    ≥5: US $0.98903 US $0.89013

    ≥10: US $0.89013 US $0.80112

    ≥20: US $0.86540 US $0.77886

    ≥50: US $0.84068 US $0.75661

    ≥100: US $0.81595 US $0.73436

    ≥200: US $0.79122 US $0.71210

    ≥500: US $0.78133 US $0.70320

    ≥1000: US $0.76650 US $0.68985

    More: Inquiry

    Hua Rui Ke Chuang Electronics Co.,Ltd.

    702

    5.0 out of 5 stars

    1 star 0.3%
    3 star 0.3%
    4 star 1%
    5 star 98.4%

    Total products: 12423

    Total sales: 101121

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:413

    NEW

    National Semiconductor

    9530+

    3-Terminal Adjustable Regulator

    ≥1: US $0.19558 US $0.17602

    More: Inquiry

    Shenzhen yingzhike technology co., LTD

    3

    4.0 out of 5 stars

    2 star 33.3%
    5 star 66.7%

    Total products: 3389

    Total sales: 4332

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:25800

    USED

    National Semiconductor

    22+

    3-Terminal Adjustable Regulator

    ≥1: US $0.29337 US $0.26403

    ≥10: US $0.23470 US $0.21123

    ≥50: US $0.21514 US $0.19362

    ≥100: US $0.19558 US $0.17602

    More: Inquiry

    Biao Xin Li Yi Electronics Co.,Ltd.

    6

    5.0 out of 5 stars

    5 star 100%

    Total products: 3829

    Total sales: 8286

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:588

    NEW

    National Semiconductor

    10+

    3-Terminal Adjustable Regulator

    ≥1: US $0.68453 US $0.61608

    More: Inquiry

    SONGXING Electronics Co.,Ltd.

    86

    4.7 out of 5 stars

    1 star 5.8%
    4 star 10.5%
    5 star 83.7%

    Total products: 38464

    Total sales: 105288

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:10

    USED

    National Semiconductor

    092+

    3-Terminal Adjustable Regulator

    ≥1: US $0.44704 US $0.42022

    More: Inquiry

    SDH Technology Co.,Ltd.

    2

    2.5 out of 5 stars

    1 star 50%
    4 star 50%

    Total products: 10708

    Total sales: 2002

    Average lead time: 0 Hour

    Delivery times (Express): 0Deliverytimes

    Delivery times (Post office): 0

    LM317AT 3-Terminal Adjustable Regulator
    LM317AT

    Stock:9

    USED

    National Semiconductor

    15+

    3-Terminal Adjustable Regulator

    ≥1: US $0.81725 US $0.76821

    More: Inquiry

    General Description

    The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.5A over a 1.2V to 37V output range.They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. Also,the LM117 is packaged in standard transistor packages which are easily mounted and handled.

    In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in IC's.Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.

    Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed.An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.

    Besides replacing fixed regulators, the LM117 is useful in a wide variety of other applications. Since the regulator is "floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, i.e., avoid short-circuiting the output.

    Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output,the LM117 can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2V where most loads draw little current. For applications requiring greater output current, see LM150series (3A) and LM138 series (5A) data sheets. For thenegative complement, see LM137 series data sheet.

     

    Features

    Guaranteed 1% output voltage tolerance (LM317A)

    Guaranteed max.0.01%/V line regulation (LM317A)

    Guaranteed max.0.3% load regulation (LM117)

    Guaranteed 1.5A output current

    Adjustable output down to 1.2V

    Current limit constant with temperature

    P+ Product Enhancement tested

    80 dB ripple rejection

    Output is short-circuit protected


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